bucketful of cross joints
n.— «Bucketful of cross joints—what the newcomer to the trade is sent for as a prank.» —“Jargon From Bricklayers, Masons and Plasterers International Union of America, Local 37, 389 East 154th St.” in New York City Lexicon of Trade Jargon , 1938-39. (source: Double-Tongued Dictionary)